Selected Papers from the International Conference on Quantum Materials and Technologies (ICQMT2024)

A special issue of Condensed Matter (ISSN 2410-3896). This special issue belongs to the section "Physics of Materials".

Deadline for manuscript submissions: 15 December 2024 | Viewed by 1577

Special Issue Editors


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Guest Editor
Physics Department, Science Faculty, Ankara University, Ankara 06100, Turkey
Interests: superconducting materials; MgB2; Josephson junction devices; various qubit systems; quantum computing
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Guest Editor
Instituto de Nanociencia y Materiales de Aragón, C/Pedro Cerbuna 12, 50009 Zaragoza, Spain
Interests: multifunctional magnetic molecular materials; carbon-based magnetism; graphene; 2D materials; low dimensional magnetism; molecular spintronics; skyrmions in quantum materials; molecular refrigeration; chiral magnetism; organic magnets; magneto-calorics and quantum computation
Special Issues, Collections and Topics in MDPI journals

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Guest Editor
Terra Quantum AG, Kornhausstrasse 25, 9000 St. Gallen, Switzerland
Interests: topological quantum matter; superconductivity; the new state of matter; superinsulator; superconductor–insulator transition; large-scale adoption of quantum technologies
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

In recent decades, there have been significant developments in the field of quantum materials and technologies, led by dedicated world-wide scientific and technological efforts. Advancements in quantum materials and technologies have already found their applications in industry and research, with the USA, Germany, the UK, China and Japan being at the forefront of these efforts. We proudly open this Special Issue of the proceedings for the International Conference on Quantum Materials and Technologies (ICQMT-2024) where leading scientists and technologists will be sharing knowledge under seven main subgroups of this wide subject area. The goal of this Special Issue is to collect state-of-the-art results (from experiments, theories and simulations) centered on quantum phenomena, and to provide a perspective on how the achievements of quantum materials and technologies can be practically applied for fundamental developments, new technological applications and achievements in quantum devices.

  • Superconductivity and superconducting materials;
  • Correlated electronic physics and materials;
  • Various types of qubits;
  • Topological quantum physics and materials;
  • Other correlated systems;
  • Quantum phenomena in advanced energy materials;
  • Advanced quantum technologies and applications.

Prof. Dr. Ali Gencer
Prof. Dr. Annette Bussmann-Holder
Dr. J. Javier Campo Ruiz
Prof. Dr. Valerii Vinokur
Guest Editors

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Keywords

  • quantum computing
  • energy efficiency
  • metrology
  • quantum annealing
  • quantum and correlated materials
  • quantum communication
  • quantum dots
  • quantum error correction and fault tolerance
  • quantum hall effect
  • quantum materials
  • quantum sensing
  • quantum spin hall
  • quantum spin liquids
  • spin–orbit coupling
  • superconductivity
  • thin films
  • topological hall effect

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Published Papers (2 papers)

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Research

7 pages, 2589 KiB  
Article
Electromagnetic Modeling of Superconducting Bulks in Applied Time-Varying Magnetic Field
by Hocine Menana
Condens. Matter 2024, 9(4), 47; https://doi.org/10.3390/condmat9040047 - 9 Nov 2024
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Abstract
An integrodifferential model formulated in terms of the electric vector potential is developed for the 3D numerical modeling of the electromagnetic field in superconducting bulks, for AC losses evaluation. The Newton Raphson method is applied to accelerate the convergence. The model is validated [...] Read more.
An integrodifferential model formulated in terms of the electric vector potential is developed for the 3D numerical modeling of the electromagnetic field in superconducting bulks, for AC losses evaluation. The Newton Raphson method is applied to accelerate the convergence. The model is validated on a benchmark. The comparison results show the accuracy of the model and its performances in terms of computation time compared to classical approaches. Full article
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22 pages, 579 KiB  
Article
Towards the Construction of an Analog Solver for the Schrödinger and Ginzburg–Landau Equations Based on a Transmission Line
by Krzysztof Pomorski, Łukasz Pluszyński and Eryk Hałubek
Condens. Matter 2024, 9(4), 35; https://doi.org/10.3390/condmat9040035 - 26 Sep 2024
Viewed by 706
Abstract
The model presented by Gabriel Kron in 1945 is an example of an analog computer simulating quantum phenomena on a hardware level. It uses passive RLC elements to construct a hardware solver for the problem of quantum particles confined by rectangular or other [...] Read more.
The model presented by Gabriel Kron in 1945 is an example of an analog computer simulating quantum phenomena on a hardware level. It uses passive RLC elements to construct a hardware solver for the problem of quantum particles confined by rectangular or other classes of potential. The analytical and numerical validation of Kron’s second model is conducted for different shapes of particle-confining potentials in the one-dimensional case using an LTspice simulator. Thus, there remains potential for obtaining solutions in two- and three-dimensional cases. Here, a circuit model representing a linearized Ginzburg–Landau equation is given. Kron’s second model is generalized by the introduction of linear and non-linear resistive elements. This transforms the deformed Schrödinger equation into a linear dissipative Schrödinger equation and its non-linear form. The quantum mechanical roton problem is the main result of this work and is formulated by means of classical physical states naturally present in the LC classical circular electrical transmission line. The experimental verification of Kron’s model is confirmed. Full article
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